
Fesco® Board HD
Fesco® Board HD Roof Insulation is a 1"(25 mm) thick, high density homogeneous rigid insulation board, composed of expanded perilite, blended with selected binders and cellulosic fibers. The expanded perlite contains air cells which provide superior insulating efficiency. The top surface is sealed with a special TopLoc® coating to prevent excessive absorption of asphalt during the installation process. Fesco Board HD meets the strength requirements of ASTM C 728.
Data Sheets & MSDSs
Fesco® Board HD Data Sheet (109 KB)
Product Literature
The JM Fesco® Roof Board Advantage (100 KB)
Technical Resources
Johns Manville LEED v3 (6498 KB)

